162306a36Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0 */
262306a36Sopenharmony_ci#ifndef _ASM_IA64_SHMPARAM_H
362306a36Sopenharmony_ci#define _ASM_IA64_SHMPARAM_H
462306a36Sopenharmony_ci
562306a36Sopenharmony_ci/*
662306a36Sopenharmony_ci * SHMLBA controls minimum alignment at which shared memory segments
762306a36Sopenharmony_ci * get attached.  The IA-64 architecture says that there may be a
862306a36Sopenharmony_ci * performance degradation when there are virtual aliases within 1MB.
962306a36Sopenharmony_ci * To reduce the chance of this, we set SHMLBA to 1MB. --davidm 00/12/20
1062306a36Sopenharmony_ci */
1162306a36Sopenharmony_ci#define	SHMLBA	(1024*1024)
1262306a36Sopenharmony_ci
1362306a36Sopenharmony_ci#endif /* _ASM_IA64_SHMPARAM_H */
14